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Houston, TX Local Forecast Office

18NM NW Galveston TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 54 °F
⇑N 20kt
1ft

Small Craft Advisory
Thursday
High: 65 °F
N 20kt⇓
1ft

Small Craft Advisory
Thursday Night
Low: 54 °F
Light Wind
< 1ft
Friday
High: 70 °F
⇑S 10kt
< 1ft
Friday Night
Low: 62 °F
S 10kt
< 1ft
Saturday
High: 74 °F
SSE 10kt
< 1ft
Saturday Night
Low: 68 °F
SSE 10kt
< 1ft
Sunday
High: 80 °F
S 15kt
< 1ft
Sunday Night
Low: 57 °F
N 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:46 pm CDT Mar 11, 2026
Forecast Valid: 6pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026

View Nearby Observations

Detailed Forecast

...TORNADO WATCH 44 IN EFFECT UNTIL 6 PM CDT THIS EVENING...

Tonight

NW wind 10 to 15 kt becoming N 15 to 20 kt after midnight. Winds could gust as high as 30 kt. A chance of showers and thunderstorms, mainly before 7pm. Seas around 1 ft.

Thursday

N wind 15 to 20 kt decreasing to 10 to 15 kt in the afternoon. Sunny. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

S wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Saturday

SSE wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Saturday Night

SSE wind around 10 kt. Mostly clear. Seas 1 ft or less.

Sunday

S wind 10 to 15 kt. Partly sunny. Seas 1 ft or less.

Sunday Night

S wind 10 to 15 kt becoming N after midnight. Winds could gust as high as 25 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.